How many first round picks end up starting in the regular season?

Interpreted as:

	NAME	GS	G	W	L	W%	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP	K/9	BB/9	K/BB	HR/9	K%	BB%	WHIP	BABIP	RA	ERA-	FIP	FIP-	H/9	PRAA
1	Joe Coleman J. Coleman	340	484	142	135	.513	3.70	1,728	94	18	7	2569.1	2,416	1,055	1,202	233	1,003	90	70	65	10,948	118	6.05	3.51	1.72	0.82	15.8	9.2	1.33	.277	4.21	104	3.64	100	8.46	1
2	Rick Monday R. Monday
3	Mike Adamson M. Adamson	4	11	0	4	.000	7.46	14	0	0	0	25.1	28	21	22	3	22	0	2	2	122	2	4.97	7.82	0.64	1.07	11.5	18.0	1.97	.301	7.82	237	5.52	167	9.95	-6.2
4	Ken Brett K. Brett	184	349	83	85	.494	3.93	807	51	8	11	1526.1	1,490	666	734	127	562	23	70	62	6,477	37	4.76	3.31	1.44	0.75	12.5	8.7	1.34	.275	4.33	108	3.77	101	8.79	-7
5	Ray Fosse R. Fosse
6	Reggie Jackson R. Jackson
7	Rick James R. James	1	3	0	1	.000	13.50	2	0	0	0	4.2	9	7	8	1	2	0	0	0	21	0	3.86	3.86	1.00	1.93	9.5	9.5	2.36	.500	15.43	385	5.75	170	17.36	-1.2
8	Gary Nolan G. Nolan	247	250	110	70	.611	3.08	1,039	45	14	0	1674.2	1,505	573	623	146	413	14	1	46	6,836	26	5.58	2.22	2.52	0.78	15.2	6.0	1.15	.260	3.35	86	3.19	92	8.09	47.2
9	Les Rohr L. Rohr	4	6	2	3	.400	3.70	20	0	0	0	24.1	27	10	15	1	17	0	1	3	115	1	7.40	6.29	1.18	0.37	17.4	14.8	1.81	.338	5.55	113	3.49	112	9.99	-1
10	Richie Hebner R. Hebner
11	Eddie Leon E. Leon
12	Carlos May C. May
13	John Mayberry J. Mayberry
14	Ted Simmons T. Simmons
15	Jim Spencer J. Spencer
16	Lloyd Allen L. Allen	19	159	8	25	.242	4.69	194	0	0	22	297.1	291	155	183	19	196	11	75	18	1,366	27	5.87	5.93	0.99	0.58	14.2	14.3	1.64	.288	5.54	137	4.09	121	8.81	-24.6
17	Ron Blomberg R. Blomberg
18	Bill Burbach B. Burbach	28	37	6	11	.353	4.48	95	2	1	0	160.2	141	80	93	17	116	3	3	3	729	13	5.32	6.50	0.82	0.95	13.0	15.9	1.60	.249	5.21	129	4.93	136	7.90	-24.7
19	Bernie Carbo B. Carbo
20	Billy Conigliaro B. Conigliaro
21	Mike Garman M. Garman	8	303	22	27	.449	3.63	213	0	0	42	433.2	411	175	198	34	202	9	160	58	1,877	15	4.42	4.19	1.05	0.71	11.3	10.8	1.41	.266	4.11	99	4.09	112	8.53	-20.8
22	Jack Heidemann J. Heidemann
23	Leron Lee L. Lee
24	Jim Lyttle J. Lyttle
25	Thurman Munson T. Munson